Time and Work Practice Test 2 with solutions

Question : 38 of 40

Marks: +1, -0

Three men and 4 women can complete a work in 7 days, while 5 men and 1 woman can do the same work in 14 days. Then 17 women working together will finish it in:

$2 1/3$ days
3 days
2 days
$3 1/6$ days
4 days

Validate

Solution:

3M + 4W =

1/7

5M + 1W =

1/{14}

15M + 20W =

5/7

+ 15M + 3W =

+ 3/{14}

....................
17W =

5/7 - 3/{14}

17W =

1/2

So, 17 women will finish the work in 2 days.

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